package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.mapper.DishMapper;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;
    @Qualifier("redisTemplate")
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品和口味
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品和口味")
    public Result<String> save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品和口味:{}", dishDTO);

        dishService.saveWithFlavor(dishDTO);
        //清理缓存数据
        String pattern = "dish_" + dishDTO.getCategoryId();
        cleanCache(pattern);
        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询:{}", dishPageQueryDTO);

        PageResult pageResult = dishService.page(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 删除菜品
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("删除菜品")
    public Result<String> delete(@RequestParam List<Long> ids) {
        log.info("删除菜品:{}", ids);

        dishService.deleteBatch(ids);
        //清理缓存数据
        String pattern = "dish_*";
        cleanCache(pattern);
        return Result.success();
    }

    /**
     * 根据id查询菜品
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id查询菜品:{}", id);

        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result<String> update(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品:{}", dishDTO);

        dishService.updateWithFlavor(dishDTO);
        //清理缓存数据
        String pattern = "dish_*";
        cleanCache(pattern);
        return Result.success();
    }

    /**
     * 根据categoryId和name查询启用的菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据categoryId查询菜品")
    public Result<List<Dish>> list(Long categoryId, String name){
        log.info("根据categoryId查询菜品:{}", categoryId);

        List<Dish> byCategoryId = dishService.getByCategoryId(categoryId, name);
        return Result.success(byCategoryId);
    }

    /**
     * 启用或禁用菜品
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("启用或禁用菜品")
    public Result startOrStop(@PathVariable Integer status, Long id){
        log.info("启用或禁用菜品:id:{},status:{}", id, status);
        dishService.startOrStop(status, id);
        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
